Observation of quantum entanglement using spatial light modulators

Eric Yao, Sonja Franke-Arnold, Johannes Courtial, Miles J. Padgett, Stephen M. Barnett

Research output: Contribution to journalArticlepeer-review

51 Citations (Scopus)


We use spatial light modulators to observe the quantum entanglement of down-converted photon pairs. Acting as diffractive optical elements within one of the beams, they can be reconfigured in real time to set the spatial profile of the measured mode. Such configurations are highly applicable to the measurement of orbital angular momentum states or other spatial modes, such as those associated with quantum imaging. (c) 2006 Optical Society of America.

Original languageEnglish
Pages (from-to)13089-13094
Number of pages6
JournalOptics Express
Issue number26
Publication statusPublished - 25 Dec 2006


  • orbital angular-momentum
  • laser beams
  • interference
  • conversion
  • photons


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